Home / 15,238.14-21,020.17-8,864.02

Finding the Fourth Proportional to 15,238.14, 21,020.17 and 8,864.02

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Solution

The fourth proportional to 15,238.14, 21,020.17 and 8,864.02 is: 12,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.14 : 21,020.17 = 8,864.02 : x
  2. Step 2: Convert to fraction form
    15,238.14/21,020.17 = 8,864.02/x
  3. Step 3: Cross multiply
    15,238.14x = 21,020.17 × 8,864.02
  4. Step 4: Simplify right side
    15,238.14x = 186,323,207.28
  5. Step 5: Solve for x
    x = 186,323,207.28/15,238.14
  6. Step 6: Final answer
    x = 12,227.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.